* CPython - not mentored sprints
* GNU Mailman - all 4 days, Django web UIs and core
* Beeware - Sprinting on Briefcase, open to all levels of skill, contributors get a challenge coin
* Open Source Governance Project - open to non-code contributions
* Django Simple Deploy - 3 days
Mesa - Agent based modelling in Python, wide impact - open to all developers
* PEP 669 - Monitoring API in CPython, includes non-code contributions